Three problems related to emission control have been reported for the 2003 Toyota Sequoia. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota Sequoia based on all problems reported for the 2003 Sequoia.
Ammonia and sulfur smell in the cabin. Causing nausea and allergy problems. My problem is so bad that my doctor is thinking about writing a prescription saying I can't drive this vehicle. This is a current problem with other seqouia's. There are numerous complaints through out the USA.
Exhaust smells of rotten eggs are escaping throughout the exhaust system. Driver is concerned because carbon dioxide may be entering as well. Dealer is aware of the problem.
While driving an ammonia and sulfur smell entered the passenger's cabin. Dealer could not determine the cause of the smell. The consumer's doctor recommended not to drive the vehicle due to the headaches that the consumer was experiencing. There are many other people with this problem they can contact town hall Toyota by clicking on edmund. Com.